5th Decimal Operations

5th Grade
Decimal Operations

Investigations Unit 6

Investigations Unit 6: Decimals on Grids and Number Lines
Investigations Common Core Supplemental Book

Math Expressions: Unit 2 & Unit 5

Common Core Standards
Understanding the Place Value System (with Decimals) & Operations with Decimals

CCSS.MATH.CONTENT.5.NBT.A.1
Recognize that in a multi-digit number, a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left.

CCSS.MATH.CONTENT.5.NBT.A.2
Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use whole-number exponents to denote powers of 10.

CCSS.MATH.CONTENT.5.NBT.A.3
Read, write, and compare decimals to thousandths.
CCSS.MATH.CONTENT.5.NBT.A.3.A
Read and write decimals to thousandths using base-ten numerals, number names, and expanded form, e.g., 347.392 = 3 × 100 + 4 × 10 + 7 × 1 + 3 × (1/10) + 9 × (1/100) + 2 × (1/1000).
CCSS.MATH.CONTENT.5.NBT.A.3.B
Compare two decimals to thousandths based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons.
CCSS.MATH.CONTENT.5.NBT.A.4
Use place value understanding to round decimals to any place.

CCSS.MATH.CONTENT.5.NBT.B.7
Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.

Investigation 1
Understanding and Comparing Decimals

Week 1:
Day 1: Session 1.1-Decimals on Grids
Materials:
*Unit 6 Student Work Book
*Chart "Everyday Uses of Fractions, Decimals, and Percents"

Day 2: Session 1.2- Introducing Thousandths

*Prepare a Place Value Chart ahead of this session.

Day 3: Session 1.3-Decimals on the Number Line
Blackline Masters:
5th Decimal Grids
5th Decimal Grids Spanish
5th Decimal Cards Set A
5th Decimal Cards Set A Spanish
5th Decimal Cards Set B
5th Decimal Cards Set B Spanish
5th Hundredths Grids
5th Hundredths Grids Spanish

Day 3: Session 1.4 Decimals In-Between
Blackline Masters
Decimal Cards Set A English
Tarjetas de decimals, grupo B
Hundredths Grid English
Cuadriculas d e centecimas
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Decimal Grids English
Decimal Grids Spanish
Decimals In-Between English
Decimales en El Medio

Day 4: Session 1.5 Assessment: Decimal Problems
Blackline Masters
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Hundredths Grid English
Cuadriculas d e centecimas
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Decimal Grids English
Decimal Grids Spanish
Decimals In-Between English
Decimales en El Medio
Smaller to Larger English
De menor a mayor
Thousandths Grids
Cuadriculas de melisimas
Assessment Checklist
Assessment Checklist (Spanish)

Week 2

Day 5: Session 1.6 Ordering Decimals
Blackline Masters
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Decimals In-Between English
Decimales en El Medio
Hundredths Grids English
Cuadriculas d e centecimas
Thousandths Grids
Cuadriculas de melisimas
Decimal Assessment Checklist, Decimal Problems (English)
Decimal Assessment Checklislt, Decimal Problems (Spanish)

Day 6: Session 1.7 Fractions as Division
Blackline Masters
Hundredths Grid English
Cuadriculas d e centecimas
Fraction to Decimal Division Table
Tabla de division para convertir de fraccion a decimal
Decimal Grids English
Decimal Grids Spanish

Day 7: Session 1.8 Decimal Equivalents
Blackline Masters
Hundredths Grid English
Cuadriculas de centecimas
Fraction to Decimal Division Table
Tabla de division para convertir de fraccion a decimal
Decimal Grids English
Decimal Grids Spanish

Day 8: Session 1.9 Fraction-Decimal Equivalents
Blackline Masters
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Hundredths Grids English
Cuadriculas de centecimas
Smaller to Larger English
De menor a mayor

Day 9: Session 1.10 Assessment: Comparing and Ordering Decimals
Blackline Masters
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Hundredths Grids English
Cuadriculas de centecimas
Smaller to Larger English
De menor a mayor

Week 3

Days 10 & 11: Session 1.10 Practicing Place Value
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Hundredths Grids English
Cuadriculas de centecimas
Smaller to Larger English
De menor a mayor
Assessment: Comparing and Ordering Decimals
Assessment: Comparing and Ordering Decimals (Spanish)

Investigation 2

Week 5
Day 16: Session 2.5 Decimal Games Part 1 & Practicing Place Value
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Decimal Double Compare (English) and Recording Sheet
Decimal Double Compare (Spanish) and Recording Sheet
Hundredths Grids for Fill Two (English)
Hundredths Grids for Fill Two (Spanish)
Fill Two (English)
Fill Two (Spanish)
Close to 1 (English) and Recording Sheet
Close to 1 (Spanish) and Recording Sheet

Day 17: Session 2.6 Decimal Games Part 2 & Practicing Place Value
Use materials from session 2.5.

Day 18: Session 2.7 Decimal Games Part 3 & Practicing Place Value
Use materials from session 2.5.

Day 19: Session 2.8 End of Unit Assessment
Hundredths Grids English
Cuadriculas de centecimas
Thousandths Grids
Thousandths Grids (Spanish)

Week 6: Supplemental Investigation 3A
Supplemental Lessons, Practice Book Pages, and Black Line Masters (linked to the pdf)

Day 20 Session 3A.1 Multiplying Powers of 10

Day 21 Session 3A.3 Multiplying by "Small" Numbers

Day 22 Session 3A.4 Multiplying Decimals (continued)

Day 23 Session 3A.5 Dividing Powers of 10

Day 24 Session 3A.6 Dividing Decimals

Day 25 Session 3A.7 Assessment: Multiplying and Dividing Decimals

Day 26 Session 3A.8 Converting Measurements

Day 27 Session 3A.9 Converting Measurements

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5th Grade Decimal Operations​

Investigation 1Understanding and Comparing Decimals

Investigation 2

5th Grade
Decimal Operations

Investigation 1
Understanding and Comparing Decimals